Food Inc., 2008. Documentary. OR search Love Canal.
Either of those will scare the hell out of you. Everything's bad for you including the water you drink and meat we eat if you want to get real about it.

The herbicides, pesticides, airplane fuel that's intentionally dumped midair, and various other industrial chemicals that have leached into the soil get into all our food sources and the shelf life of that crap is a lot longer than any of our lives.

But none of this really matters anyway. We're all gonna die December 21st.